factor/basis/tools/disassembler/udis/udis.factor

150 lines
4.1 KiB
Factor

! Copyright (C) 2008, 2010 Slava Pestov, Jorge Acereda Macia.
! See http://factorcode.org/license.txt for BSD license.
USING: tools.disassembler namespaces combinators alien
alien.syntax alien.c-types lexer parser kernel sequences layouts
math math.order alien.libraries math.parser system make fry
arrays libc destructors tools.memory tools.disassembler.utils
tools.disassembler.private splitting alien.data classes.struct ;
IN: tools.disassembler.udis
<<
"libudis86" {
{ [ os macosx? ] [ "libudis86.0.dylib" ] }
{ [ os unix? ] [ "libudis86.so.0" ] }
{ [ os winnt? ] [ "libudis86.dll" ] }
} cond cdecl add-library
>>
LIBRARY: libudis86
STRUCT: ud_operand
{ type int }
{ size uchar }
{ lval ulonglong }
{ base int }
{ index int }
{ offset uchar }
{ scale uchar } ;
STRUCT: ud
{ inp_hook void* }
{ inp_curr uchar }
{ inp_fill uchar }
{ inp_file void* }
{ inp_ctr uchar }
{ inp_buff c-string }
{ inp_buff_end c-string }
{ inp_end uchar }
{ translator void* }
{ insn_offset ulonglong }
{ insn_hexcode char[32] }
{ insn_buffer char[64] }
{ insn_fill uint }
{ dis_mode uchar }
{ pc ulonglong }
{ vendor uchar }
{ mapen void* }
{ mnemonic int }
{ operand ud_operand[3] }
{ error uchar }
{ pfx_rex uchar }
{ pfx_seg uchar }
{ pfx_opr uchar }
{ pfx_adr uchar }
{ pfx_lock uchar }
{ pfx_rep uchar }
{ pfx_repe uchar }
{ pfx_repne uchar }
{ pfx_insn uchar }
{ default64 uchar }
{ opr_mode uchar }
{ adr_mode uchar }
{ br_far uchar }
{ br_near uchar }
{ implicit_addr uchar }
{ c1 uchar }
{ c2 uchar }
{ c3 uchar }
{ inp_cache uchar[256] }
{ inp_sess uchar[64] }
{ itab_entry void* } ;
FUNCTION: void ud_translate_intel ( ud* u ) ;
FUNCTION: void ud_translate_att ( ud* u ) ;
: UD_SYN_INTEL ( -- addr ) &: ud_translate_intel ; inline
: UD_SYN_ATT ( -- addr ) &: ud_translate_att ; inline
CONSTANT: UD_EOI -1
CONSTANT: UD_INP_CACHE_SZ 32
CONSTANT: UD_VENDOR_AMD 0
CONSTANT: UD_VENDOR_INTEL 1
FUNCTION: void ud_init ( ud* u ) ;
FUNCTION: void ud_set_mode ( ud* u, uchar mode ) ;
FUNCTION: void ud_set_pc ( ud* u, ulonglong pc ) ;
FUNCTION: void ud_set_input_buffer ( ud* u, c-string offset, size_t size ) ;
FUNCTION: void ud_set_vendor ( ud* u, uint vendor ) ;
FUNCTION: void ud_set_syntax ( ud* u, void* syntax ) ;
FUNCTION: void ud_input_skip ( ud* u, size_t size ) ;
FUNCTION: int ud_input_end ( ud* u ) ;
FUNCTION: uint ud_decode ( ud* u ) ;
FUNCTION: uint ud_disassemble ( ud* u ) ;
FUNCTION: c-string ud_insn_asm ( ud* u ) ;
FUNCTION: void* ud_insn_ptr ( ud* u ) ;
FUNCTION: ulonglong ud_insn_off ( ud* u ) ;
FUNCTION: c-string ud_insn_hex ( ud* u ) ;
FUNCTION: uint ud_insn_len ( ud* u ) ;
FUNCTION: c-string ud_lookup_mnemonic ( int c ) ;
: <ud> ( -- ud )
ud malloc-struct &free
dup ud_init
dup cell-bits ud_set_mode
dup UD_SYN_INTEL ud_set_syntax ;
: with-ud ( ..a quot: ( ..a ud -- ..b ) -- ..b )
[ [ [ <ud> ] dip call ] with-destructors ] with-code-blocks ; inline
SINGLETON: udis-disassembler
: buf/len ( from to -- buf len ) [ drop <alien> ] [ swap - ] 2bi ;
: resolve-call ( str -- str' ) "0x" split1-last [ resolve-xt append ] when* ;
: format-disassembly ( lines -- lines' )
dup [ second length ] [ max ] map-reduce
'[
[
[ first >hex cell 2 * CHAR: 0 pad-head % ": " % ]
[ second _ CHAR: \s pad-tail % " " % ]
[ third resolve-call % ]
tri
] "" make
] map ;
: (disassemble) ( ud -- lines )
[
dup '[
_ ud_disassemble 0 =
[ f ] [
_
[ ud_insn_off ]
[ ud_insn_hex ]
[ ud_insn_asm ]
tri 3array , t
] if
] loop
] { } make ;
M: udis-disassembler disassemble* ( from to -- buffer )
'[
_ _
[ drop ud_set_pc ]
[ buf/len ud_set_input_buffer ]
[ 2drop (disassemble) format-disassembly ]
3tri
] with-ud ;
udis-disassembler disassembler-backend set-global